Superman and Hulk in cartoons are usually presented with their signature powers and traits. Superman's moral compass and Hulk's raw power are common elements. Different cartoons might put their own spins on these characters to keep things interesting for the audience.
To style cartoon parted hair, focus on creating a distinct separation. You could use bold lines and maybe add some highlights or shadows to give it depth. Also, think about the shape of the hair - make it big and bouncy for a more cartoonish effect.
Well, you could find comics about a girl's adventures in a fantasy world or her daily life at school. Some might even be about her dealing with difficult emotions and relationships.
It could be that the boy has some dietary restrictions or is saving the cake for later. Also, he might have just had a big meal before and doesn't have room for it now.